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ABSTRACT

Ultra High-speed Observation of Dynamic Fracture using C. G.S. Methods under Mix-mode Impact Load

T. Nishioka1, M.Kogame2, T. Fujimoto1, G. Okamoto1

Professor, Kobe Univ., Japan
Gradient Student, Kobe Univ., Japan

The International Conference on Computational & Experimental Engineering and Sciences 2007, 1(3), 113-118. https://doi.org/10.3970/icces.2007.001.113

Abstract

In this study, we observed C.G.S. fringe pattern of dynamic fracture under impact load by an ultra high-speed CCD video camera, and stress intensity factors KI, KII are evaluated from the experimental measurements. From the evaluation of stress intensity factors, local mode I condition is observed during crack propagation. On the other hand, concentrated load is obtained by the experimental devices in this study. We suggest the least square method to estimate loading value based on the C.G.S. fringe pattern analyses.

Cite This Article

Nishioka, T., , M., Fujimoto, T., Okamoto, G. (2007). Ultra High-speed Observation of Dynamic Fracture using C. G.S. Methods under Mix-mode Impact Load. The International Conference on Computational & Experimental Engineering and Sciences, 1(3), 113–118.



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